HU202821B - Process for producing esters of bicyclo (3.3.o)octane-3,7-dion-2-carboxylic acids - Google Patents

Process for producing esters of bicyclo (3.3.o)octane-3,7-dion-2-carboxylic acids Download PDF

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Publication number
HU202821B
HU202821B HU88868A HU86888A HU202821B HU 202821 B HU202821 B HU 202821B HU 88868 A HU88868 A HU 88868A HU 86888 A HU86888 A HU 86888A HU 202821 B HU202821 B HU 202821B
Authority
HU
Hungary
Prior art keywords
formula
octane
bicyclo
acid
dione
Prior art date
Application number
HU88868A
Other languages
English (en)
Hungarian (hu)
Other versions
HUT51227A (en
Inventor
Helmut Vorbrueggen
Konrad Krolikiewicz
Original Assignee
Schering Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schering Ag filed Critical Schering Ag
Publication of HUT51227A publication Critical patent/HUT51227A/hu
Publication of HU202821B publication Critical patent/HU202821B/hu

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C07C67/32—Decarboxylation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2602/00—Systems containing two condensed rings
    • C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
    • C07C2602/14—All rings being cycloaliphatic
    • C07C2602/22—All rings being cycloaliphatic the ring system containing eight carbon atoms, e.g. pentalene

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
HU88868A 1987-01-23 1988-01-07 Process for producing esters of bicyclo (3.3.o)octane-3,7-dion-2-carboxylic acids HU202821B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873702385 DE3702385A1 (de) 1987-01-23 1987-01-23 Verfahren zur herstellung von bicyclo 3.3.0 octan-3,7-dion-2-carbonsaeureestern
PCT/DE1988/000011 WO1988005429A1 (en) 1987-01-23 1988-01-07 Process for producing bicyclo [3.3.0]octane-3,7-dione-2 carboxylic acid esters

Publications (2)

Publication Number Publication Date
HUT51227A HUT51227A (en) 1990-04-28
HU202821B true HU202821B (en) 1991-04-29

Family

ID=6319638

Family Applications (1)

Application Number Title Priority Date Filing Date
HU88868A HU202821B (en) 1987-01-23 1988-01-07 Process for producing esters of bicyclo (3.3.o)octane-3,7-dion-2-carboxylic acids

Country Status (10)

Country Link
US (1) US4960907A (es)
EP (1) EP0276653B1 (es)
JP (1) JPH02501923A (es)
AT (1) ATE66461T1 (es)
AU (1) AU621283B2 (es)
DE (2) DE3702385A1 (es)
ES (1) ES2025704T3 (es)
GR (1) GR3002973T3 (es)
HU (1) HU202821B (es)
WO (1) WO1988005429A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3708536A1 (de) * 1987-03-13 1988-09-22 Schering Ag Neues verfahren zur antipodentrennung von bicyclo (3.3.0) octan-3,7-dion-2-carbonsaeureestern und ihrer monoketale

Also Published As

Publication number Publication date
AU1104788A (en) 1988-08-10
AU621283B2 (en) 1992-03-12
EP0276653A1 (de) 1988-08-03
WO1988005429A1 (en) 1988-07-28
GR3002973T3 (en) 1993-01-25
US4960907A (en) 1990-10-02
HUT51227A (en) 1990-04-28
DE3864270D1 (de) 1991-09-26
ES2025704T3 (es) 1992-04-01
ATE66461T1 (de) 1991-09-15
EP0276653B1 (de) 1991-08-21
JPH02501923A (ja) 1990-06-28
DE3702385A1 (de) 1988-08-04

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Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee